CN203571843U - Heating system for solar energy seasonal storage through ground source heat pump - Google Patents
Heating system for solar energy seasonal storage through ground source heat pump Download PDFInfo
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- CN203571843U CN203571843U CN201320700335.5U CN201320700335U CN203571843U CN 203571843 U CN203571843 U CN 203571843U CN 201320700335 U CN201320700335 U CN 201320700335U CN 203571843 U CN203571843 U CN 203571843U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/40—Geothermal heat-pumps
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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Abstract
The utility model discloses a heating system for solar energy seasonal storage through a ground source heat pump. The heating system comprises a solar heat collector, a heat collection water tank, a ground temperature recording system, a plurality of underground pipe laying heat exchangers, a soil heat pump unit and a heating user. The signal input end of the ground temperature recording system is connected with a signal output control line of a ground temperature measuring device which is buried underground, the underground pipe laying heat exchangers are connected in parallel and buried underground, the pipeline water inlet of the heating user is communicated with the water supply outlet of the soil heat pump unit through a heat supply pipeline, and the pipeline water outlet of the heating user is communicated with the water supply water return port of the soil heat pump unit through a water return pipeline. The heating system has the advantages of being simple in structure, reliable in control and economically feasible; meanwhile, a large amount of solar heat is stored in the heat storage process, soil temperature rises, and system efficiency of the ground source heat pump is improved; The heating system for solar energy seasonal storage through the ground source heat pump is economical and safe.
Description
Technical field
The utility model relates to a kind of heating system, relates in particular to a kind of heating system that utilizes soil source heat pump to carry out solar cross-season accumulation of energy.
Background technology
Soil source heat pump technology is to utilize the high-efficiency energy-saving air conditioning system of underground shallow layer geothermal energy resources, by inputting a small amount of high-grade energy, realizes the process that low grade heat energy shifts to high-grade energy, has higher primary energy ratio.Conventionally soil source heat pump consumes the energy of IKW, and user can obtain heat or cold more than 4KW, and additional energy comes from soil.In addition, the more constant characteristic of ground energy temperature, makes source pump operation more reliable and stable, has guaranteed high efficiency and the economy of system.Winter, the heat in soil " is got " out, supply with indoor heating; Summer, indoor heat is taken out, be discharged in soil and go.
Soil is the material that thermal inertia is very large, thereby decay by a relatively large margin occurs along with the increase of the degree of depth in the temperature fluctuation meeting that is exposed to the soil surface under outside meteorological condition, and period of waves is shorter, and amplitude fading is faster.According to the variation characteristic of temperature, crust layer can be divided into three temperature bands: variable temperature band, thickness is 15～20m; Zone of constant temperature, the degree of depth is 20～30 meters; Heat band, below 30m.Do not occur in the situation of soil freezing, the soil moisture that zone of constant temperature and part heat band is approximately equal to average temperature of the whole year then.Mean that the summer soil moisture is lower than outside air temperature, and winter the soil moisture higher than outside air temperature.So by ground source heat pump, this natural energy can be used as the air conditioner cold-heat source of building.
Solar radiant energy, as a kind of energy, has its unique advantage in energy exploitation and application, and main manifestations is: first, reserves are abundant.Sun each second, the energy of radiation was approximately 1.6 * 1023kW, arrives the solar energy total amount that the earth shows and amount to standard coal approximately 1.892 * 10 in 1 year
13hundred billion tons is 10,000 times of current world main energy sources proved reserves, and solar energy is inexhaustible.Secondly, distributed areas are wide.With respect to other energy, solar energy has universal existence for most areas on the earth, can take on the spot.These countries and regions that lack for conventional energy resource solve energy problem provides rosy prospect.Again, belong to renewable and clean energy resource.Solar energy safety and sanitation when developing, have no to pollute to environment, can on dutyly be called as clean energy resource with having nothing to be ashamed of.Finally, there is good economy.Utilize solar energy not impose any " tax ", can take everywhere; Can be by any combination of the energy-saving building technology of solar energy optical-thermal, photoelectric technology and other form, maximum possible realizes building energy conservation.
Day by day perfect along with the exploitation of various solar utilization techniques and building integration technology, the application of solar water heater is no longer confined to provide domestic hot-water, just progressively to heating, refrigeration, oven dry and commercial Application direction, expand, utilize potentiality very large.The reducing energy consumption policy of the green building assessment system that in recent years, country releases, the application of new forms of energy demonstration building, existing building etc. opens new development space all can to solar thermal utilization industry.Policy making and the enforcements such as national energy-saving reduction of discharging, will greatly promote the development of solar energy industry.Solar energy and energy-saving building technology are integrated will be the important research direction of future architecture energy-saving field.
In summer, the radiation intensity of most of northern area solar energy is large, and the hot water in a lot of solar water heaters can not make full use of, and has caused the waste of the energy.Be the season that needs heating winter, but the radiation intensity of solar energy is low, can not meet the demand of heating.So, the solar energy in summer " storage " is got up, to " getting " out for warm season, " heaven and hell's moving " that realize solar energy becomes the problem of a needs research.
Soil source heat pump technology has its drawback, and focus is mainly while utilizing separately soil source heat pump system to solve for heat problem, cannot realize the thermal balance question of soil source in summer in winter.The area being dominant for thermic load, the heat-obtaining amount of unit in soil is greater than heat release amount, can cause soil moisture reduced year by year, micro-ecological environment in spoiled soil.Soil moisture reduced year by year also can cause the efficiency reduced year by year of ground source heat pump, has from then on just entered vicious circle.Utilize solar water heating system to carry out accumulation of heat, will promote the soil moisture, the above-mentioned problem of mentioning can both be readily solved.Meanwhile, utilize the underground pipe system of earth source heat pump, the heat of heat collector is stored in soil, reduced the water temperature of heat collector, be conducive on the contrary absorb better solar energy, increased the efficiency of solar energy collector system.So utilizing soil source heat pump to carry out solar cross-season accumulation of energy is a new problem, has its positive important realistic meaning.
The patent No. be the Chinese patent of CN200810008036.9 disclose bidirectional heat pump solar energy heating system by solar energy heating circulation, heating heat exchange circulation, source heat exchange circulation and two-way branch heat pump cycle form, solar energy heating circulation is directly connected with hot water storage tank, heating heat exchange cycles through two heat exchangers parallel with one another and is connected with a high temperature condensation end of hot water storage tank and two-way branch heat pump cycle respectively, the heat exchange circulation of source, ground is connected soil source heat exchanger with a low-temperature evaporation end of two-way branch heat pump cycle, a heat-exchange end of two-way branch heat pump cycle is always connected with hot water storage tank by a water heat exchange circulation, and two other heat-exchange end parallel with one another is connected with the heat exchange circulation of source, ground with the indirect heat exchange end of heating heat exchange circulation respectively, solar energy heating circulation be by solar energy circulating pump by the water at low temperature in hot water storage tank through solar water supply pipeline, be transported in solar thermal collector, through the water of heating, by automatic exhaust steam valve and the solar energy water return pipeline of the high point of system, return to hot water storage tank again, warm up heat exchange circulation and from heating end-equipment, flow to direct heating heat exchange coil and indirect these two thermal source heat exchangers parallel with one another of plate type heat exchanger III by heating circulation pump promotion heat exchange medium, on these two thermal source heat exchanger branch roads in parallel, respectively establish a magnetic valve, i.e. direct heating magnetic valve and indirect heating magnetic valve, the heat exchange circulation of source, ground promotes heat transfer agent reciprocation cycle between heat exchanger-plate type heat exchanger II of source, ground heat exchange coil and two-way branch heat pump cycle by source, ground circulating pump, two-way branch heat pump cycle passes through four-way change-over valve) each assembly of circulation is coupled together, wherein a pair of of four-way change-over valve enters, outlet connects respectively compressor) import and outlet, a pair ofly in addition enter, outlet meets respectively plate type heat exchanger I and plate type heat exchanger II parallel with one another, a parallel connected end of plate type heat exchanger III, the check valve of connecting respectively on the branch road of these two plate type heat exchangers in parallel, and two valve opposite directions, another parallel connected end of two plate type heat exchangers is connected with one end of Bidirectional expansion valve, the other end of Bidirectional expansion valve and plate type heat exchanger I's joins away from four-way change-over valve port, thereby form two-way branch heat pump cycle structure.The problem that this device exists be can not realize solar energy across utilizing season, can only carry out for warm season, and the solar radiation amount that confession warm season can utilize is less, little to the contribution amount of the efficiency value of elevator system and unit.
The patent No. is that the Chinese patent of CN201220160231.5 discloses a kind of solar energy and ground source heat pump composite system, comprise ground source heat pump, the compatible unit of solar heat pump and be embedded in underground soil heat exchanger, described system also comprises solar thermal collector, heat sink and buried heat accumulation groove, solar thermal collector, the compatible unit of solar heat pump, earth source heat pump unit, between heat sink, by pipeline, connect successively, soil heat exchanger is connected by the compatible unit of pipeline and solar heat pump, and soil heat exchanger is connected with buried heat accumulation groove by pipeline, buried heat accumulation groove is connected by the compatible unit of pipeline and solar heat pump.The problem that this device exists is there is no ground temperature test macro, can not Real-Time Monitoring soil moisture data, lack in addition the automaton of circulating pump, and can not realize the automatic control of circulating pump start and stop.
The patent No. is that the Chinese patent of CN201010224246.9 discloses a kind of intelligentized electrical equipment automatic control technology equipment, the whole solar energy of master control, water source, Di Yuan, air source heat pump system, by PCL, control and control separately, make to take between solar energy and heat pump separated, timesharing, segmentation, temperature control, each link is according to the configuration process that requires of high pressure and low-voltage circuit, jointly, for water system heating, complement one another.Although this device can be realized the automatic control that solar energy utilizes, the energy-saving building technology relevant to soil source heat pump technology etc. do not combine, and can not realize solar cross-season accumulation of energy, and reference property and limitation coexist.The patent No. is that the Chinese patent of CN201220734697.1 discloses a kind of soil source heat pump-solar association heat accumulation hot water heating system, in soil source inside, be provided with ground temperature thermometer, can record accurately the ground temperature of soil source every day in summer in winter inside, thereby determine heat that solar thermal collector is carried to soil number, finally to guarantee the heat balance of soil source; By control system, can according to soil inside and environment temperature, control ground source heat pump and solar thermal collector co-ordination united heat at any time, guarantee the normal work of heating system in extreme weather situation.The problem that this device exists is to carry out the coupling utilization of solar energy and soil source heat pump for warm season, can not realize solar energy across accumulation of energy in season.
The patent No. is the soil source heat pump system that the Chinese patent of CN200710150900.4 discloses a kind of solar energy auxiliary heating.Heat exchanger on pipeline between underground heat exchanger exit end and evaporimeter is connected with the heat storage equipment of apparatus for heating water by solar energy by pipeline, by utilizing apparatus for heating water by solar energy to soil source heat pump system auxiliary heating, can make soil source heat pump system keep in the winter time good operation, and can improve indoor temperature; Simultaneously, in summer, utilize the refrigeration of soil source heat pump system, during the storage hot charging that in night, unnecessary refrigerating capacity is stored in to the apparatus for heating water by solar energy with good heat-proof quality is put, now close storage hot charging put and solar thermal collector between terminal valve, can avoid the peak of power consumption on daytime by day for soil source heat pump system provides auxiliary cooling, reach effect energy-conservation and alleviation mains supply pressure.The problem that this device exists is to realize the short-term accumulation of energy process of solar energy, can not realize the object of solar cross-season accumulation of energy.Meanwhile, in this system, there is no ground temperature testing arrangement, temperature data that can not Real-Time Monitoring soil.
Summary of the invention
The purpose of this utility model is to overcome the shortcoming of prior art, a kind of heating system that utilizes soil source heat pump to carry out solar cross-season accumulation of energy that provide a kind of and improved solar thermal collector efficiency, has promoted the soil moisture, improved ground source heat pump and system effectiveness, cost is low, floor space is little and safe.
A kind of heating system that utilizes soil source heat pump to carry out solar cross-season accumulation of energy of the present utility model, it comprises:
(1) solar thermal collector;
(2) heat collection water tank, the delivery port of described heat collection water tank is connected by the 5th outlet line of valve and the water inlet of solar thermal collector are installed, between the delivery port of solar thermal collector and the water inlet of heat collection water tank, by the inlet line of the first automatic controller, the first circulating pump and the 6th valve is installed successively according to water (flow) direction, be connected, the signal output part of the first described automatic controller is connected with the first circulating pump by first signal control line;
(3) ground temperature register system, the signal input part of this ground temperature register system is connected with the signal output control line that is embedded in underground geodetic temperature device;
(4) a plurality of be arranged in parallel be embedded in underground underground heat exchanger, the underground heat water side of the common and heat collection water tank of the water inlet end of the underground heat exchanger that this is arranged in parallel is by being equipped with successively the second valve according to water (flow) direction, the second automatic controller, the underground heat outlet pipe of the second circulating pump and the 3rd valve is connected, the backwater end of the underground heat exchanger that this is arranged in parallel is connected by the underground heat return pipe of the 4th valve and the first valve is housed successively according to water (flow) direction with the underground heat backwater end of heat collection water tank jointly, the signal output part of described ground temperature register system is connected with the second automatic controller by secondary signal control line, the second described automatic controller signal output part is connected with the second circulating pump by the 3rd signal control line,
(5) Soil Thermal pump assembly, the import of the evaporimeter of this Soil Thermal pump assembly is by being equipped with the pipeline of the 7th valve and the backwater end of a plurality of underground heat exchangers that are arranged in parallel is communicated with jointly, and the outlet of the evaporimeter of this Soil Thermal pump assembly is communicated with the water inlet end of a plurality of underground heat exchangers that are arranged in parallel jointly by the pipeline of the 8th valve is housed;
(6) heating user, this heating user's pipe water mouth is connected with the water out that supplies of Soil Thermal pump assembly by heat supply pipeline, and this heating user's pipe water outlet is connected with the water supply water return outlet of Soil Thermal pump assembly by water return pipeline.
Advantage of the present utility model:
Simple in structure, control reliable, economically feasible, heat-accumulating process has stored a large amount of solar heat simultaneously, has promoted the system effectiveness of the soil moisture and soil source heat pump.This utilizes soil source heat pump to carry out heating system economy, the safety of solar cross-season accumulation of energy, and technical scheme is feasible, can be applied to field of heating.
Accompanying drawing explanation
Accompanying drawing is a kind of structural representation that utilizes soil source heat pump to carry out the heating system of solar cross-season accumulation of energy of the present utility model.
The specific embodiment
A kind of heating system that utilizes soil source heat pump to carry out solar cross-season accumulation of energy of the present utility model as shown in drawings, it comprises: (1) solar thermal collector 1, (2) heat collection water tank 2, the delivery port of described heat collection water tank is connected by the 5th outlet line of valve V-5 and the water inlet of solar thermal collector are installed, between the delivery port of solar thermal collector and the water inlet of heat collection water tank, by the inlet line of the first automatic controller 9, the first circulating pump 7 and the 6th valve V-6 is installed successively according to water (flow) direction, be connected, the signal output part of the first described automatic controller is connected with the first circulating pump 7 by first signal control line, (3) ground temperature register system 4, and the signal input part of this ground temperature register system is connected with the signal output control line that is embedded in underground geodetic temperature device, (4) a plurality of be arranged in parallel be embedded in underground underground heat exchanger 3, the underground heat water side of the common and heat collection water tank 2 of the water inlet end of the underground heat exchanger that this is arranged in parallel is by being equipped with successively the second valve V-2 according to water (flow) direction, the second automatic controller 10, the underground heat outlet pipe of the second circulating pump 8 and the 3rd valve V-3 is connected, the backwater end of the underground heat exchanger that this is arranged in parallel is connected by the underground heat return pipe of the 4th valve V-4 and the first valve V-1 is housed successively according to water (flow) direction with the underground heat backwater end of heat collection water tank jointly, the signal output part of described ground temperature register system is connected with the second automatic controller 10 by secondary signal control line, the second described automatic controller signal output part is connected with the second circulating pump 8 by the 3rd signal control line, (5) Soil Thermal pump assembly, the import of the evaporimeter of this Soil Thermal pump assembly is by being equipped with the pipeline of the 7th valve V-7 and the backwater end of a plurality of underground heat exchangers that are arranged in parallel is communicated with jointly, and the outlet of the evaporimeter of this Soil Thermal pump assembly is communicated with the water inlet end of a plurality of underground heat exchangers that are arranged in parallel jointly by the pipeline of the 8th valve V-8 is housed, (6) heating user 6, and this heating user's pipe water mouth is connected with the water out that supplies of Soil Thermal pump assembly by heat supply pipeline, and this heating user's pipe water outlet is connected with the water supply water return outlet of Soil Thermal pump assembly by water return pipeline.
The course of work of the utility model device is as follows:
Heat-accumulating process, the first circulating pump 7 is controlled by the first automatic controller 9, the water temperature in solar thermal collector meets or exceeds 50 ℃, and heat collection water tank 2 less than time, the first circulating pump 7 is opened.After the first circulating pump 7 is opened, by the delivery in solar thermal collector 1 in heat collection water tank 2.The soil moisture is measured and recorded to ground temperature register system 4, and information is anti-deaf to the second automatic controller 10, controls the start and stop of the second circulating pump 8.Summer, the second circulating pump 8 was opened when the soil moisture is lower than when setting value.After the second circulating pump 8 is opened, the delivery in heat collection water tank 2 in underground heat exchanger 3, hot water and soil to execute heat exchange.Heating in summer user and earth source heat pump unit are stopped using.Winter, solar thermal collector 1 and heat collection water tank 2 were stopped using during heat-obtaining, and the low-grade soil heat energy in underground heat exchanger 3 surrounding soils rises to available degree by ground source heat pump 5, by heat supply pipeline, is transported in heating user 6.
Claims (1)
1. a heating system that utilizes soil source heat pump to carry out solar cross-season accumulation of energy, is characterized in that it comprises:
(1) solar thermal collector;
(2) heat collection water tank, the delivery port of described heat collection water tank is connected by the 5th outlet line of valve and the water inlet of solar thermal collector are installed, between the delivery port of solar thermal collector and the water inlet of heat collection water tank, by the inlet line of the first automatic controller, the first circulating pump and the 6th valve is installed successively, be connected, the signal output part of the first described automatic controller is connected with the first circulating pump by first signal control line;
(3) ground temperature register system, the signal input part of this ground temperature register system is connected with the signal output control line that is embedded in underground geodetic temperature device;
(4) a plurality of be arranged in parallel be embedded in underground underground heat exchanger, the underground heat water side of the common and heat collection water tank of the water inlet end of the underground heat exchanger that this is arranged in parallel according to water (flow) direction successively by the second valve is housed, the second automatic controller, the underground heat outlet pipe of the second circulating pump and the 3rd valve is connected, the backwater end of the underground heat exchanger that this is arranged in parallel is connected by the underground heat return pipe of the 4th valve and the first valve is housed according to water (flow) direction successively with the underground heat backwater end of heat collection water tank jointly, the signal output part of described ground temperature register system is connected with the second automatic controller by secondary signal control line, the second described automatic controller signal output part is connected with the second circulating pump by the 3rd signal control line,
(5) Soil Thermal pump assembly, the import of the evaporimeter of this Soil Thermal pump assembly is connected with the water side of underground heat outlet pipe by the pipeline of the 7th valve is housed, and the outlet of the evaporimeter of this Soil Thermal pump assembly is connected with the water inlet end of underground heat return pipe by the pipeline of the 8th valve is housed;
(6) heating user, this heating user's pipe water mouth is connected with the water out that supplies of Soil Thermal pump assembly by heat supply pipeline, and this heating user's pipe water outlet is connected with the water supply water return outlet of Soil Thermal pump assembly by water return pipeline.
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| CN201320700335.5U CN203571843U (en) | 2013-11-06 | 2013-11-06 | Heating system for solar energy seasonal storage through ground source heat pump |
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| CN201320700335.5U CN203571843U (en) | 2013-11-06 | 2013-11-06 | Heating system for solar energy seasonal storage through ground source heat pump |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103591629A (en) * | 2013-11-06 | 2014-02-19 | 天津大学 | Heating system for performing seasonal solar energy storage with ground-source heat pump |
| CN105805963A (en) * | 2016-05-10 | 2016-07-27 | 北京英豪阳光太阳能工业有限公司 | Solar cross-season heat collecting and soil heat storing system and method |
| CN107490041A (en) * | 2017-08-25 | 2017-12-19 | 河北建筑工程学院 | A kind of clean energy resource heating system |
| CN111928320A (en) * | 2020-07-29 | 2020-11-13 | 天津大学 | Reinforcing heat accumulation type heat exchange integrated well |
| CN113834221A (en) * | 2021-10-15 | 2021-12-24 | 中国地质科学院水文地质环境地质研究所 | Low-temperature geothermal utilization taste improving device and method based on photo-thermal energy |
| CN114909704A (en) * | 2022-05-11 | 2022-08-16 | 内蒙古科技大学 | Energy storage system |
-
2013
- 2013-11-06 CN CN201320700335.5U patent/CN203571843U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103591629A (en) * | 2013-11-06 | 2014-02-19 | 天津大学 | Heating system for performing seasonal solar energy storage with ground-source heat pump |
| CN103591629B (en) * | 2013-11-06 | 2016-01-20 | 天津大学 | A kind of heating system utilizing soil source heat pump to carry out solar cross-season accumulation of energy |
| CN105805963A (en) * | 2016-05-10 | 2016-07-27 | 北京英豪阳光太阳能工业有限公司 | Solar cross-season heat collecting and soil heat storing system and method |
| CN105805963B (en) * | 2016-05-10 | 2019-04-12 | 北京英豪阳光太阳能工业有限公司 | A kind of solar cross-season thermal-arrest and soil heat reservoir and method |
| CN107490041A (en) * | 2017-08-25 | 2017-12-19 | 河北建筑工程学院 | A kind of clean energy resource heating system |
| CN111928320A (en) * | 2020-07-29 | 2020-11-13 | 天津大学 | Reinforcing heat accumulation type heat exchange integrated well |
| CN113834221A (en) * | 2021-10-15 | 2021-12-24 | 中国地质科学院水文地质环境地质研究所 | Low-temperature geothermal utilization taste improving device and method based on photo-thermal energy |
| CN113834221B (en) * | 2021-10-15 | 2023-09-29 | 中国地质科学院水文地质环境地质研究所 | Low-temperature geothermal energy utilization taste lifter and method based on photo-thermal energy |
| CN114909704A (en) * | 2022-05-11 | 2022-08-16 | 内蒙古科技大学 | Energy storage system |
| CN114909704B (en) * | 2022-05-11 | 2024-01-23 | 内蒙古科技大学 | Energy storage system |
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